How many calories are in lettuce?

Just 9 cal per cup shredded (55g), or 1 calorie per leaf. An entire medium head is only 92 calories. Iceberg is one of the lowest-calorie foods.

Is iceberg lettuce nutritious?

It's 96% water with minimal vitamins compared to other greens. It has almost no fiber, iron, or vitamin A. It's essentially crunchy water—great for hydration and volume eating, but not for nutrients.

Iceberg vs romaine lettuce: which is better?

Romaine wins nutritionally: 10x more vitamin A (436 vs ~14 mcg), double the potassium, and 1.8g fiber vs 0g. Calories are similar. Use romaine when nutrition matters, iceberg for crunch.

Is lettuce good for weight loss?

Iceberg lettuce is a volume eater's dream at 17 cal/100g. Use it as a base for meals to add bulk without calories. Just don't rely on it for nutrition—pair with nutrient-dense toppings.

Is lettuce keto-friendly?

Yes, at 3.4g net carbs per 100g. You can eat large amounts freely on keto. It's one of the go-to keto vegetables for wraps and salad bases.

How long does lettuce last?

Whole heads last 1-2 weeks refrigerated. Pre-cut lettuce lasts 3-5 days. Wrap in paper towel inside a bag to absorb moisture. Brown edges are safe to eat—just trim them.

Can lettuce be cooked?

Yes. Grilled, braised, or added to soups and stir-fries. Cooking wilts it quickly and changes the texture. It won't add many calories but adds some variety if you're tired of raw salads.